This builds a Docker image to automatically update and create Cloudflare DNS records upon container start. A time saver if you are regularly moving containers around to different systems. This will allow you to set multiple zone's you wish to update. IMPORTANT: Discovery cloudflare-companion supports three different discovery mode: Docker, Docker Swarm, and Traefik Polling. The Docker discovery mode is the only mode enabled by default. Once matching hosts are discovered, cloudflare-companion will add or update CNAMEs in CloudFlare that point to the configured TARGET_DOMAIN. Docker cloudflare-companion will discover running Docker containers by searching for supported labels. The supported labels are: Traefik Version Single Host Multiple Host 1 traefik.normal.frontend.rule=Host:example1.domain.tld traefik.normal.frontend.rule=Host:example1.domain.tld,example2.domain.tld 2 traefik.http.routers.example.rule=Host(`example1.domain.tld`) ``traefik.http.routers.example.rule=Host(example1.domain.tld) Docker Swarm Docker Swarm mode can be enabled by setting the environment variable SWARM_MODE=TRUE. This will cause cloudflare-companion to discover running Docker Swarm services with supported labels. The supported labels are: Traefik Version Single Host Multiple Host 1 traefik.normal.frontend.rule=Host:example1.domain.tld traefik.normal.frontend.rule=Host:example1.domain.tld,example2.domain.tld 2 traefik.http.routers.example.rule=Host(`example1.domain.tld`) ``traefik.http.routers.example.rule=Host(example1.domain.tld)